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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Butterflies and Moths (Lepidoptera) » Owlet Moths and kin (Noctuoidea) » Erebidae » Erebinae » Catocalini » Underwings (Catocala) » Ultronia Underwing - Hodges#8857 (Catocala ultronia)
Photo#1915990
Gray caterpillar - Catocala ultronia
Copyright © 2020 Charley Eiseman

Gray caterpillar - Catocala ultronia
Northfield, Franklin County, Massachusetts, USA
June 10, 2020
This appeared in a jar in which I had placed a few dead, broken pieces of staghorn sumac stems as pupation sites for fern-feeding sawfly larvae. Apparently it had been hiding in (or was very well camouflaged on) one of the stems.

Images of this individual: tag all
Gray caterpillar - Catocala ultronia Gray caterpillar - Catocala ultronia
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Contributed by Charley Eiseman on 14 November, 2020 - 8:15pm
Last updated 8 May, 2021 - 1:51pm

Moved
Moved from Underwings.
… George Smiley, 8 May, 2021 - 1:51pm login or register to post comments

Moved
Moved from Butterflies and Moths.

Thanks, I was guessing probably a Catocala... looks like both of those options feed on various rosaceous trees and shrubs, and there is hawthorn and black cherry within 20 feet of where I collected that twig.

And for what it's worth, I've found ultronia in my yard before:
… Charley Eiseman, 10 December, 2020 - 8:19am login or register to post comments

Looks like...
It's an Underwing cat. These two sure look close. I wonder if, hmm.?
Catocala crataegi: - vs. - Catocala ultronia:
… Bob Biagi, 9 December, 2020 - 11:58pm login or register to post comments

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